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/*******************************************************************************
* Copyright (c) 2001, 2008 Oracle Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Oracle Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.ui.internal.component;
import org.eclipse.core.resources.IFile;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jst.jsf.common.ui.JSFUICommonPlugin;
import org.eclipse.jst.jsf.common.ui.internal.utils.JSFSharedImages;
import org.eclipse.jst.jsf.context.resolver.structureddocument.internal.ResolverUtil;
import org.eclipse.jst.jsf.designtime.DesignTimeApplicationManager;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.IViewSite;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.forms.widgets.Form;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.part.IPage;
import org.eclipse.ui.part.MessagePage;
import org.eclipse.ui.part.Page;
import org.eclipse.ui.part.PageBook;
import org.eclipse.ui.part.PageBookView;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
/**
* A basic page-based view, similar to outline, that shows the design-time
* component tree for a JSF view definition.
*/
public class ComponentTreeView extends PageBookView
{
private FormToolkit _toolkit;
@Override
public void init(IViewSite site) throws PartInitException
{
super.init(site);
setTitleImage(JSFUICommonPlugin.getDefault().getImage(JSFSharedImages.GENERIC_VIEWROOT_IMG));
}
@Override
protected IPage createDefaultPage(final PageBook book)
{
final MessagePage page = new MessagePage();
initPage(page);
page.createControl(book);
page.setMessage(Messages.ComponentTreeView_NothingToDisplayMessage);
return page;
}
@Override
protected PageRec doCreatePage(final IWorkbenchPart part)
{
_toolkit = new FormToolkit(getPageBook().getDisplay());
final ComponentPage page = new ComponentPage(getDocumentFromPart(part),
_toolkit);
initPage(page);
page.createControl(getPageBook());
return new PageRec(part, page);
}
@Override
protected void doDestroyPage(final IWorkbenchPart part,
final PageRec pageRecord)
{
pageRecord.page.dispose();
pageRecord.dispose();
}
private IDocument getDocumentFromPart(final IWorkbenchPart part)
{
return (IDocument) part.getAdapter(IDocument.class);
}
/**
* The view shows the palette associated with the active editor.
*
* @see PageBookView#getBootstrapPart()
*/
@Override
protected IWorkbenchPart getBootstrapPart()
{
final IWorkbenchPage page = getSite().getPage();
if (page != null)
{
return page.getActiveEditor();
}
return null;
}
@Override
protected boolean isImportant(final IWorkbenchPart part)
{
final IDocument document = getDocumentFromPart(part);
if (document != null)
{
final IFile file = ResolverUtil.getFileForDocument(document);
if (file != null)
{
final DesignTimeApplicationManager manager = DesignTimeApplicationManager
.getInstance(file.getProject());
if (manager != null)
{
return manager.hasDTFacesContext(file);
}
}
}
// fall through, then no, not important.
return false;
}
private static class ComponentPage extends Page
{
private final IDocument _document;
private final FormToolkit _toolkit;
private ComponentMasterDetailBlock _masterDetailBlock;
private Form _form;
private DTJSFViewModel _model;
public ComponentPage(final IDocument document, final FormToolkit toolkit)
{
_document = document;
_toolkit = toolkit;
}
@Override
public void createControl(final Composite parent)
{
_model = new DTJSFViewModel(
(IStructuredDocument) _document);
_form = _toolkit.createForm(parent);
_form.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
_masterDetailBlock = new ComponentMasterDetailBlock(_model);
_masterDetailBlock.createContent(_toolkit, _form);
}
@Override
public void dispose()
{
super.dispose();
_model.dispose();
}
@Override
public Control getControl()
{
return _form;
}
@Override
public void setFocus()
{
// do nothing
}
}
}
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